diff --git a/.gitmodules b/.gitmodules
index fb79d5cbd5b..3665cde63f4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,9 +14,6 @@
 [submodule "third_party/boringssl"]
 	path = third_party/boringssl
 	url = https://github.com/google/boringssl.git
-[submodule "third_party/nanopb"]
-	path = third_party/nanopb
-	url = https://github.com/nanopb/nanopb.git
 [submodule "third_party/thrift"]
 	path = third_party/thrift
 	url = https://github.com/apache/thrift.git
diff --git a/third_party/nanopb b/third_party/nanopb
deleted file mode 160000
index f8ac4637662..00000000000
--- a/third_party/nanopb
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit f8ac463766281625ad710900479130c7fcb4d63b